Comet C/2017 S3 on the morning of 9 July from the observatory of Frasso Sabino. 12x60s are made with 369 mm Cassegrain reduced to F/6.62. 1". 34/Pixel and north at the top and east on the left. Unfortunately there were clouds and I had to interrupt the sequence. It was not very clear and I also had problems with the CCD. |
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